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WO2014119211A1 - Outil coupant - Google Patents

Outil coupant Download PDF

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Publication number
WO2014119211A1
WO2014119211A1 PCT/JP2013/084842 JP2013084842W WO2014119211A1 WO 2014119211 A1 WO2014119211 A1 WO 2014119211A1 JP 2013084842 W JP2013084842 W JP 2013084842W WO 2014119211 A1 WO2014119211 A1 WO 2014119211A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
battery mounting
output shaft
reciprocating saw
reciprocating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2013/084842
Other languages
English (en)
Japanese (ja)
Inventor
鵜飼　智大
隆如 田原
太輔 鵜飼
祐大 杉野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Makita Corp
Original Assignee
Makita Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Makita Corp filed Critical Makita Corp
Priority to JP2014559538A priority Critical patent/JP6193895B2/ja
Priority to DE112013006575.4T priority patent/DE112013006575T5/de
Priority to US14/764,668 priority patent/US9764399B2/en
Publication of WO2014119211A1 publication Critical patent/WO2014119211A1/fr
Anticipated expiration legal-status Critical
Priority to US15/700,945 priority patent/US10286464B2/en
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D49/00—Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
    • B23D49/10—Hand-held or hand-operated sawing devices with straight saw blades
    • B23D49/16—Hand-held or hand-operated sawing devices with straight saw blades actuated by electric or magnetic power or prime movers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D49/00—Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
    • B23D49/10—Hand-held or hand-operated sawing devices with straight saw blades
    • B23D49/16—Hand-held or hand-operated sawing devices with straight saw blades actuated by electric or magnetic power or prime movers
    • B23D49/162—Pad sawing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
    • B23D51/08—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools
    • B23D51/10—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools for hand-held or hand-operated devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/006—Vibration damping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles

Definitions

  • This invention relates to a cutting tool for cutting a material to be cut by the cutting blade by reciprocating a long cutting blade.
  • a cutting tool for cutting a material to be cut such as wood a cutting tool called a reciprocating saw is known (for example, JP 2012-51046 A).
  • This type of reciprocating saw is configured as a hand-held cutting tool that is held by hand to perform a cutting operation. That is, this type of reciprocating saw generally includes a housing, an electric motor housed in the housing, and a reciprocating motion conversion mechanism that converts the rotational driving force of the electric motor into a reciprocating motion.
  • a cutting blade mounting mechanism is provided on the output shaft of the reciprocating conversion mechanism.
  • a long blade (cutting blade) extending along the reciprocating direction is attached to the cutting blade holding mechanism.
  • the rotational driving force by the electric motor is converted into the reciprocating motion by the reciprocating motion converting mechanism, and the blade attached to the cutting blade mounting mechanism at the front end is reciprocated.
  • the blade reciprocating in this way cuts the cutting material.
  • This invention is made
  • the subject which this invention tends to solve is the cutting which cut
  • a rechargeable battery having excellent versatility can be used in response to a request for setting a high voltage or a large supply capacity when used as a cutting tool.
  • a cutting tool according to a first aspect of the present invention is a cutting tool that has an output shaft to which a cutting blade is attached, and cuts a material to be cut with the cutting blade attached by reciprocating the output shaft.
  • the tool body from which the output shaft protrudes from the front end includes an electric motor that rotates the motor shaft by electric power supplied from the rechargeable battery, and a reciprocating motion that converts the rotational drive of the motor shaft into a reciprocating motion of the output shaft.
  • a housing that forms an exterior of the tool main body, and two battery mounting portions on which the rechargeable battery can be mounted are provided, and each of the two battery mounting portions is a slide. It is comprised as a slide mounting type battery mounting part corresponding to the slide mounting type rechargeable battery mounted by doing.
  • the housing that forms the exterior of the tool body is provided with two battery mounting portions on which a rechargeable battery can be mounted. It is possible to respond to a request to set a high value or a large supply capacity.
  • the two battery mounting portions are configured as a slide mounting type battery mounting portion, and correspond to a slide mounting type rechargeable battery mounted by sliding. Can be made. In other words, a slide mounting type rechargeable battery widely used can be used. Therefore, it is possible to use a rechargeable battery having excellent versatility while satisfying a request for setting a high voltage or a large supply capacity when used as a cutting tool.
  • the cutting tool according to the second aspect of the present invention is the cutting tool according to the first aspect, wherein a grip housing having a handle portion to be gripped is provided at the rear portion of the tool body.
  • the mounting direction of each of the two rechargeable batteries mounted on each of the two battery mounting portions is a direction that intersects the reciprocating direction of the output shaft, and a direction that intersects the direction in which the grip housing extends. . For this reason, each mounting direction of the rechargeable battery is set in the width direction of the tool body.
  • the tool main body generally has a shape extending along the reciprocating direction of the output shaft, when the rechargeable battery is mounted in the width direction of the tool main body, the rechargeable battery extends in the direction in which the tool main body extends. Are arranged in parallel. As a result, the two rechargeable batteries can be arranged in parallel, while suppressing the bulkiness of the tool body in the width direction, making it easy to perform cutting work in a narrow place, and good tool handling. Can be maintained. Moreover, since each mounting direction of a rechargeable battery crosses the vibration direction of a tool main body, the effect
  • the cutting tool according to the third aspect of the present invention is the cutting tool according to the second aspect, in which the mounting directions of the two rechargeable batteries are the same. According to the cutting tool as the third side surface, since the mounting directions of the two rechargeable batteries are both the same direction, the two rechargeable batteries can be mounted or removed together in one direction. Therefore, such attachment work or removal work is easy and convenient.
  • a cutting tool according to a fourth aspect of the present invention is the cutting tool according to any one of the first to third aspects, wherein the two battery mounting portions are on a center line extending in the front-rear direction in the tool body. It is provided across.
  • the left-right direction (width direction) of this tool main body is set as a direction which cross
  • the rechargeable batteries mounted on the two battery mounting portions are arranged so as to straddle the center line extending in the front-rear direction in the tool body. Accordingly, it is possible to easily balance the load of the rechargeable battery mounted on the battery mounting portion in the left-right direction of the tool body, and it is possible to maintain good tool handling.
  • the cutting tool according to the fifth aspect of the present invention is the cutting tool according to any one of the first to fourth aspects, wherein the two rechargeable batteries are mounted on each of the two battery mounting portions.
  • the positions of the two battery mounting portions are set so that the combined center of gravity is positioned on the center line extending in the front-rear direction in the tool body.
  • the positions of the two battery mounting portions are set so that the combined center of gravity of the two rechargeable batteries is positioned on the center line extending in the front-rear direction in the tool body. ing. Accordingly, even when two rechargeable batteries are attached, the cutting tool can be balanced left and right.
  • a cutting tool according to a sixth aspect of the present invention is the cutting tool according to any one of the first to fifth aspects, wherein the mounting direction of the two rechargeable batteries with respect to each of the two battery mounting portions is The positions of the two battery mounting portions are set so as to have an angle that intersects from the top to the bottom with respect to the reciprocating direction of the output shaft.
  • the mounting direction of the two rechargeable batteries is such that the two battery mounting portions have an angle that intersects from the top to the bottom with respect to the reciprocating direction of the output shaft. Each position is set.
  • a cutting tool according to a seventh aspect of the present invention is the cutting tool according to any one of the first to the sixth aspects, wherein the two rechargeable batteries mounted on each of the two battery mounting portions.
  • the positions of the two battery mounting portions are set so that the lower surfaces are flush with each other.
  • the positions of the two battery mounting portions are set so that the lower surfaces of the two rechargeable batteries are flush with each other.
  • the lower surfaces of the two rechargeable batteries are flush with each other so as to form a common lower surface, and the cutting tool can be placed with the common lower surface facing the mounting surface.
  • the cutting tool according to the eighth aspect of the present invention is a cutting tool that has an output shaft to which a cutting blade is attached, and cuts a workpiece by the cutting blade attached by reciprocating the output shaft.
  • the tool body from which the output shaft protrudes from the front end includes an electric motor that rotates the motor shaft by electric power supplied from the rechargeable battery, and a reciprocating motion that converts the rotational drive of the motor shaft into a reciprocating motion of the output shaft.
  • a housing that forms an exterior of the tool body, and is provided with two battery mounting portions on which the rechargeable battery can be mounted, and at least one of the two battery mounting portions.
  • the battery mounting portion is provided in a motor housing that supports the electric motor.
  • the battery mounting portion is provided in the motor housing that supports the electric motor, the electric motor is cooled with respect to the rechargeable battery mounted on the battery mounting portion. For cooling air. Thereby, the rechargeable battery in use can be cooled.
  • the cutting tool according to the ninth aspect of the present invention is a cutting tool that has an output shaft to which a cutting blade is attached, and cuts the workpiece by the cutting blade attached by reciprocating the output shaft.
  • the tool body from which the output shaft protrudes from the front end includes an electric motor that rotates the motor shaft by electric power supplied from the rechargeable battery, and a reciprocating motion that converts the rotational drive of the motor shaft into a reciprocating motion of the output shaft.
  • a housing that forms an exterior of the tool main body, and is provided with at least one battery mounting portion on which the rechargeable battery can be mounted, and the at least one battery mounting portion is disposed. The position is set to a position opposite to the position of the center of gravity of the tool body from which the rechargeable battery is removed, with a reciprocating axis along which the output shaft reciprocates.
  • the position of the center of gravity of the rechargeable battery mounted on at least one battery mounting portion is such that the rechargeable battery is removed across the reciprocating axis along which the output shaft reciprocates.
  • the position of the center of gravity of the tool body is set to a position opposite to the position of the center of gravity.
  • the position of the center of gravity of the entire cutting tool in which the rechargeable battery is mounted on at least one battery mounting portion can be brought close to the reciprocating axis along which the output shaft reciprocates.
  • the position of the center of gravity of the entire cutting tool on which the rechargeable battery is mounted can be brought closer to the reciprocation axis of the output shaft that is reciprocated by being converted by the reciprocation conversion mechanism. Therefore, the flutter which arises in the output shaft which reciprocates when cut
  • a cutting tool is a cutting tool that has an output shaft to which a cutting blade is attached and cuts a material to be cut with a cutting blade attached by reciprocating the output shaft.
  • the tool body from which the output shaft protrudes from the front end includes an electric motor that rotates the motor shaft by electric power supplied from the rechargeable battery, and a reciprocating motion that converts the rotational drive of the motor shaft into a reciprocating motion of the output shaft.
  • a battery housing portion provided with a grip portion having a handle portion to be gripped at a rear portion of the tool main body, and the rechargeable battery can be attached to the grip housing. At least one, and a front portion of the grip housing, and a rear portion of the motor housing to which the front portion of the grip housing is coupled Elastic body at least in part between is interposed.
  • the grip housing is provided with at least one battery mounting portion that allows the mounting of the rechargeable battery. Therefore, the rechargeable battery is placed on the at least one battery mounting portion. Can be attached. As a result, the weight of the grip housing having the handle portion can be increased, so that the vibration caused by the reciprocating movement of the output shaft can be made difficult to be transmitted to the handle portion. Therefore, it can be set as the cutting tool which improved the usability for the user who reduced vibration.
  • the elastic body is interposed between the front side portion of the grip housing and the rear side portion of the motor housing to which the front side portion of the grip housing is coupled.
  • the vibration generated by the reciprocating movement of the output shaft is transmitted through the elastic body to be transmitted to the handle portion, and this vibration is buffered and transmitted to the handle portion. Therefore, it can be set as the cutting tool which improved the usability for the user who reduced vibration.
  • FIG. 7 It is a perspective view which shows the external appearance of the diagonal rear side of the substantially whole reciprocating saw. It is a side view of the reciprocating saw shown in FIG. It is the top view which looked at the reciprocating saw shown in FIG. 1 from the rear side. It is the top view which looked at the reciprocating saw shown in FIG. 1 from the upper side. It is sectional drawing which shows the (V)-(V) sectional arrow of FIG. It is sectional drawing which shows the (VI)-(VI) section arrow of FIG. It is an external appearance perspective view which shows the external appearance of the reciprocating saw from which the rechargeable battery was removed. It is the top view which looked at the reciprocating saw shown in FIG. 7 from the lower side.
  • FIG. 17 It is a perspective view which shows the external appearance of the diagonal rear side of the reciprocating saw of 3rd Embodiment. It is an external appearance perspective view which shows the other external appearance perspective view of the reciprocating saw shown in FIG. It is a side view of the reciprocating saw shown in FIG. It is the top view which looked at the reciprocating saw shown in FIG. 17 from the rear side. It is the top view which looked at the reciprocating saw shown in FIG. 17 from the upper side. It is the top view which looked at the reciprocating saw shown in FIG. 17 from the lower side. It is a perspective view which shows the external appearance of the diagonal rear side of the reciprocating saw of 4th Embodiment. It is a side view of the reciprocating saw shown in FIG.
  • FIG. 23 It is the top view which looked at the reciprocating saw shown in FIG. 23 from the rear side. It is the top view which looked at the reciprocating saw shown in FIG. 23 from the upper side. It is the top view which looked at the reciprocating saw shown in FIG. 23 from the lower side. It is a perspective view which shows the external appearance of the diagonal rear side of the reciprocating saw of 5th Embodiment. It is an external appearance perspective view which shows the other external appearance perspective view of the reciprocating saw shown in FIG. It is a side view of the reciprocating saw shown in FIG. It is the top view which looked at the reciprocating saw shown in FIG. 28 from the rear side. It is the top view which looked at the reciprocating saw shown in FIG. 28 from the upper side.
  • FIG. 28 It is the top view which looked at the reciprocating saw shown in FIG. 28 from the lower side. It is a perspective view which shows the external appearance of the diagonal rear side of the reciprocating saw of 6th Embodiment. It is an external appearance perspective view which shows the other external appearance perspective view of the reciprocating saw shown in FIG. It is a side view of the reciprocating saw shown in FIG. It is the top view which looked at the reciprocating saw shown in FIG. 34 from the rear side. It is the top view which looked at the reciprocating saw shown in FIG. 34 from the upper side. It is the top view which looked at the reciprocating saw shown in FIG. 34 from the lower side. It is a perspective view which shows the external appearance of the diagonal rear side of the reciprocating saw of 7th Embodiment.
  • FIG. 40 It is an external appearance perspective view which shows the other external appearance perspective view of the reciprocating saw shown in FIG. It is a side view of the reciprocating saw shown in FIG. It is the top view which looked at the reciprocating saw shown in FIG. 40 from the rear side. It is the top view which looked at the reciprocating saw shown in FIG. 40 from the upper side. It is the top view which looked at the reciprocating saw shown in FIG. 40 from the lower side. It is a side view which shows the right side view external appearance of the reciprocating saw of 8th Embodiment. It is a side view which shows the left view external appearance of the reciprocating saw shown in FIG. It is a side view in which the grip housing of the reciprocating saw shown in FIG. 46 is removed.
  • FIG. 47 is a cross-sectional view showing an (XXXXXI)-(XXXXI) cross-sectional arrow in FIG. 46. It is sectional drawing which shows the reciprocating saw applicable regarding this invention.
  • FIG. 1 is a reciprocating saw corresponding to the cutting tool according to the present invention.
  • the appearance of a substantially entire reciprocating saw 10 from an oblique rear side is shown.
  • the reciprocating saw 10 shown in FIG. 1 is viewed from the side.
  • the reciprocating saw 10 shown in FIG. 1 is viewed from the rear side.
  • the reciprocating saw 10 shown in FIG. 1 is viewed from above.
  • (V)-(V) cross-sectional arrow view of FIG. 4 is shown.
  • FIG. 7 shows the appearance of the reciprocating saw 10 from which the rechargeable battery 80 is removed from the oblique rear side.
  • FIG. 8 the reciprocating saw 10 shown in FIG. 7 is viewed from below.
  • FIG. 9 shows a rechargeable battery 80 that is slid and mounted on the battery mounting portion 60.
  • the battery terminal connection portion 600 is shown enlarged.
  • This reciprocating saw 10 is a hand-held cutting tool for a user to perform a processing operation by hand, and is a high power type reciprocating saw in which the voltage of the supplied power is set to 36V.
  • the reciprocating saw 10 has an output shaft 50 to which a blade B as a cutting blade is attached.
  • the output shaft 50 is provided with a mounting portion 51 for holding the blade B.
  • the blade B is attached to the attachment portion 51.
  • the blade B reciprocates in response to the reciprocating motion of the output shaft 50. Therefore, the reciprocating blade B can cut the material to be cut.
  • the reciprocating saw 10 generally includes a tool body 100 from which the output shaft 50 is projected from the front end, and a shoe 57 attached to the front end side of the tool body 100.
  • the tool body 100 generally includes a housing 11, an electric motor 22, and a crank mechanism 42.
  • the crank mechanism 42 corresponds to a reciprocating motion conversion mechanism according to the present invention.
  • the housing 11 forms the exterior of the tool body 100.
  • the housing 11 includes a grip housing 12, a motor housing 21, and a gear housing 41 in order from the rear.
  • the grip housing 12, the motor housing 21, and the gear housing 41 are connected to each other and form a part of the exterior of the reciprocating saw 10.
  • the grip housing 12 is formed as a resin-made halved molded part.
  • the grip housing 12 is formed in a ring shape (loop shape) extending in the front-rear direction.
  • the grip housing 12 has a substantially D shape in side view.
  • the rear portion of the grip housing 12 having the loop shape is formed as a handle portion 13 that is gripped by the user.
  • the lower end of the handle portion 13 is set as a handle end portion 33.
  • the handle end portion 33 is set so as to form the lowermost end in the tool main body 100 while being the substantially rearmost end in the tool main body 100.
  • an upper connecting portion 14 that protrudes to the front side is formed on the upper side of the handle portion 13.
  • a lower connecting portion 15 that protrudes to the front side is also formed on the lower side of the handle portion 13.
  • the front portion of the upper connecting portion 14 and the front portion of the lower connecting portion 15 are connected so as to be connected to each other.
  • the front portion of the grip housing 12 that connects the upper connecting portion 14 and the lower connecting portion 15 in this manner is coupled to a motor housing 21 that will be described next.
  • the handle portion 13 is provided with an operation switch 17.
  • the operation switch 17 includes a switch body 18 and an operation button unit 19.
  • the switch body 18 is built in the grip housing 12 and supported by the grip housing 12.
  • the switch body 18 is composed of widely used contact switches.
  • the operation button portion 19 is supported by the grip housing 12 so as to be movable in the front-rear direction.
  • the contact of the switch body 18 is turned on by a pressing operation along the direction of gripping the handle portion 13 of the operation button portion 19.
  • the switch body 18 inputs a signal for switching on to a controller (not shown).
  • the grip housing 12 includes a controller (not shown).
  • This controller is configured with various electric material components such as a shunt resistor and an FET (field-effect transistor) circuit. This controller is composed of a substrate that performs various controls relating to power supply.
  • the front / rear upper / lower plane including the axis of the motor shaft 23 is defined as the center line X1 of the tool body 100.
  • a motor housing 21 is connected to the front side of the grip housing 12.
  • the motor housing 21 is formed as a molded part made of cast aluminum.
  • the motor housing 21 supports an electric motor 22 disposed inside the motor housing 21.
  • the electric motor 22 rotationally drives the motor shaft 23 with supplied power.
  • the electric motor 22 is a so-called brush motor, and includes a stator 24, a rotor 25, and a commutator 26.
  • the stator 24 is a permanent magnet supported by the motor housing 21.
  • the rotor 25 is formed by winding a coil.
  • a motor shaft 23 is set as the rotation shaft of the rotor 25.
  • the motor shaft 23 is rotatably supported by a rear bearing 35 on the rear end side and a front bearing 36 on the front end side.
  • a cooling fan 28 is attached to the front side of the rotor 25 in the motor shaft 23.
  • An exhaust hole 30 is provided below the cooling fan 28 so as to penetrate the inside and outside of the motor housing 21.
  • the intake hole 29 for the exhaust hole 30 is provided on the front side of the grip housing 12 as shown in FIG.
  • the front bearing 36 is supported by the gear housing 41.
  • a pinion gear 37 having the motor shaft 23 as a rotation shaft is provided at the front end of the motor shaft 23.
  • the pinion gear 37 has a shape as a tapered bevel gear that meshes with a bevel gear 43 of a crank mechanism 42 described below.
  • a gear housing 41 is connected to the front side of the motor housing 21.
  • a crank mechanism 42 is built in the gear housing 41.
  • the gear housing 41 is made of an aluminum casting, and is formed by combining the lower housing 411 and the upper housing 412.
  • the lower housing 411 and the upper housing 412 have a substantially cylindrical shape that is opened forward by being combined.
  • the gear housing 41 is screwed to the motor housing 21 with a flange portion 413.
  • the gear housing 41 is internally provided with a crank mechanism 42 that converts the drive mode of the rotational drive of the motor shaft 23.
  • the crank mechanism 42 converts the rotational drive of the motor shaft 23 into the reciprocating motion of the output shaft 50. That is, the crank mechanism 42 generally includes a bevel gear 43, a bevel gear rotation shaft 44, a crankshaft 45, and a slider 46.
  • the bevel gear 43 meshes with the pinion gear 37 at the front end of the motor shaft 23.
  • the bevel gear 43 rotates with a bevel gear rotation shaft 44 supported by the lower housing 411 as a rotation shaft.
  • a crankshaft 45 is provided at an eccentric position of the bevel gear 43 so as to protrude upward.
  • the crankshaft 45 functions as an eccentric shaft of the bevel gear 43.
  • the front end of the slider 46 is set as the output shaft 50.
  • the slider 46 is formed in a cylindrical rod shape.
  • the slider 46 is guided to slide back and forth by a guide sleeve 49 supported by the upper housing 412.
  • a slide plate 47 is provided below the slider 46.
  • the slide plate 47 has a U-shaped cross-sectional view with an open bottom.
  • the upper end of the crankshaft 45 is loosely fitted inside the U-shape of the slide plate 47. That is, the crankshaft 45 is adapted to interlock the slider 46 while sliding to the left and right within the U-shaped interior of the slide plate 47. In this way, when the motor shaft 23 is driven to rotate, the pinion gear 37 also rotates, and the bevel gear 43 meshed with the pinion gear 37 also rotates.
  • crankshaft 45 at the eccentric position provided on the bevel gear 43 slides left and right within the U-shaped interior of the slide plate 47.
  • the rotational movement of the crankshaft 45 moves the slide plate 47 back and forth using the diameter of the movement locus of the crankshaft 45 as the stroke length of the slide plate 47. That is, the slider 46 is moved back and forth by the back and forth movement of the slide plate 47 to move the output shaft 50 back and forth, that is, reciprocate.
  • the blade B attached to the output portion 50 on the attachment portion 51 reciprocates, and the reciprocating blade B can cut the material to be cut.
  • the extension line of the axis of the output shaft 50 is defined as the reciprocating axis X2 of the output shaft 50.
  • An insulating cover 53 made of rubber resin is provided on the outer periphery of the gear housing 41 configured as described above.
  • the insulating cover 53 is provided so as to cover the entire outer periphery of the gear housing 41.
  • the insulating cover 53 has an effect of insulating heat conduction and electric conduction. For this reason, the outer peripheral portion of the insulating cover 53 covering the gear housing 41 can function as a handle portion that is gripped by the user.
  • Numeral 57 is a shoe.
  • the blade B attached to the attachment portion 51 of the output shaft 50 is projected forward so as to penetrate the shoe 57.
  • the output shaft 50 is shifted in the vertical direction, the output shaft 50 is disposed on an extension line of the motor shaft 23 (a center line X1 that forms a front-rear vertical plane including the axis of the motor shaft 23).
  • the above-described motor housing 21 is provided with two battery mounting portions 60 (60a, 60b). That is, two battery mounting portions 60 a and 60 b are provided in the substantially lower half of the motor housing 21. That is, the two battery mounting portions 60 a and 60 b provided in the motor housing 21 are provided around the electric motor 22. Rechargeable batteries 80a and 80b that are mounted by sliding are attached to the battery mounting portions 60a and 60b, respectively.
  • These rechargeable batteries 80a and 80b are rechargeable batteries 80 in which the voltage of widely used supply power is set to 18V, as shown in FIG.
  • the rechargeable battery 80 is a so-called slide mounting type rechargeable battery that is mounted on the battery mounting portion 60 by sliding. For this reason, on the upper surface (connection terminal arrangement surface) side of the rechargeable battery 80 in the figure, a structure for sliding mounting and a structure for electrical connection are provided.
  • a pair of slide guide portions 81 and 82 are provided on the upper surface side of the rechargeable battery 80 as a structure for sliding mounting. Further, a positive electrode side terminal 83, a negative electrode side terminal 84, and a signal side terminal 85 are provided on the upper surface side of the rechargeable battery 80 as a structure to be electrically connected.
  • the rechargeable battery 80 is slidably mounted on the upper surface side of the rechargeable battery 80 and is electrically connected, the rechargeable battery 80 is engaged with the battery mounting portion 60 in this state.
  • a male hook 87 is provided to be in a state of being brought into the closed state.
  • a push button 88 for operating the male hook 87 is provided on the side of the rechargeable battery 80 in the direction of removal (see FIG. 4 and the like).
  • the push button 88 is connected to the male hook 87.
  • the male hook 87 is operated and stored in the rechargeable battery 80.
  • the rechargeable battery 80 is not engaged with the battery mounting portion 60, and the rechargeable battery 80 can be removed from the battery mounting portion 60.
  • FIG. 9 indicates the length of the rechargeable battery 80 in the longitudinal direction.
  • 9 indicates the length of the rechargeable battery 80 in the width direction.
  • symbol H described in FIG. 9 has shown the length of the height direction of this rechargeable battery 80.
  • the battery mounting portion 60 for sliding and mounting the above-described rechargeable battery 80 will be described.
  • the battery mounting portion 60 has a structure in which the above-described rechargeable battery 80 is mounted by sliding. That is, the battery mounting portion 60 is configured as a slide mounting type battery mounting portion corresponding to the rechargeable battery 80 described above. For this reason, it has a mounting structure corresponding to the rechargeable battery 80 described above.
  • the battery mounting portion 60 is provided with a structure for slidingly mounting the rechargeable battery 80 described above and a structure for electrically connecting the rechargeable battery 80 described above. Yes.
  • the battery mounting portion 60 is provided with a pair of slide guide receiving portions 61 and 62 as a structure for sliding mounting.
  • the battery mounting portion 60 is provided with a battery terminal connection portion 600 including a positive terminal 63, a negative terminal 64, and a signal terminal 65 as a structure for electrical connection. Yes.
  • the rechargeable battery 80 when the rechargeable battery 80 is slid and electrically connected to the battery mounting portion 60, the rechargeable battery 80 in this state is locked to the battery mounting portion 60.
  • the battery mounting portion 60 is provided with a female portion (dent) 66 that engages with the male hook 87 of the rechargeable battery 80 in this state.
  • each of these two battery mounting portions 60 is relative to the motor housing 21 that supports the electric motor 22 so as to be disposed adjacent to the electric motor 22, as shown in FIGS. Is provided.
  • each of these two battery mounting portions 60 (60a, 60b) is symmetrical with respect to a center line X1 (an anteroposterior vertical plane including the axis of the motor shaft 23) that is an extension line of the axis of the motor shaft 23. It has the structure which becomes.
  • the upper end portions of these two battery mounting portions 60 are set at substantially the same position as the motor shaft 23. More specifically, the upper end portions of these two battery mounting portions 60 (60a, 60b) are set at positions slightly below the motor shaft 23. For this reason, the location where these two battery mounting portions 60 (60a, 60b) are disposed is the reciprocation of the output shaft 50 described above with respect to the extension line of the axis of the motor shaft 23 (center line X1 of the tool body 100). It is provided on the side opposite to the moving axis X2.
  • the first and second battery mounting portions 60 a and 60 b are configured by the structure of the battery mounting portion 60 described above.
  • the mounting direction of the two rechargeable batteries 80 (80a, 80b) with respect to each of the two battery mounting portions 60 (60a, 60b) is an angle that intersects the direction in which the output shaft 50 reciprocates from top to bottom. Is set to have.
  • the slide mounting direction (axis line X3) of the rechargeable battery 80a with respect to the first battery mounting portion 60a is a direction inclined from the upper left to the lower right.
  • the slide mounting direction (axis line X4) of the rechargeable battery 80b with respect to the second battery mounting portion 60b is a direction inclined from the upper right to the lower left.
  • the slide mounting direction of the rechargeable battery 80a with respect to the first battery mounting portion 60a and the slide mounting direction of the rechargeable battery 80b with respect to the second battery mounting portion 60b are slightly centered from the upper side to the lower side. It is set so that it can be tilted in the direction toward.
  • the first battery mounting portion 60a and the second battery mounting portion 60b are configured to slide-attach the rechargeable batteries 80a and 80b in an inclined direction directed obliquely downward from each other. Therefore, as shown in FIGS. 3 and 8, the axis X3 on which the rechargeable battery 80a is slid with respect to the first battery mounting portion 60a, and the rechargeable battery 80b with respect to the second battery mounting portion 60b slides.
  • the axis X4 to be mounted intersects with the lower side of the motor housing 21.
  • the rechargeable batteries 80 (80a, 80b) attached to the first battery attachment part 60a and the second battery attachment part 60b supply electric power to the electric motor 22.
  • the following operational effects can be achieved. That is, according to the reciprocating saw 10 described above, the battery mounting portion 60 (60a, 60b) that allows the rechargeable battery 80 (80a, 80b) to be mounted in the motor housing 21 of the housing 11 that forms the exterior of the tool body 100. Therefore, when using as the reciprocating saw 10, it is possible to meet a request for setting a high voltage or a large supply capacity.
  • the two battery mounting portions 60a and 60b are configured as a slide mounting type battery mounting portion.
  • the two battery mounting parts 60a and 60b can be made to correspond to the slide mounting type rechargeable batteries 80a and 80b mounted by sliding. That is, it is possible to use a slide mounting type rechargeable battery 80 that is widely used. Therefore, the rechargeable battery 80 having excellent versatility can be used while satisfying the demand for setting a high voltage or a large supply capacity when used as the reciprocating saw 10.
  • the combined center of gravity X5 for the two rechargeable batteries 80a and 80b is located on the center line X1 (the front and rear vertical plane including the axis of the motor shaft 23) extending in the front-rear direction in the tool body 100.
  • the respective positions of the two battery mounting portions 60a and 60b are set.
  • the reciprocating saw 10 can be balanced left and right.
  • the two rechargeable batteries 80a and 80b are attached in such a manner that the mounting directions of the two rechargeable batteries 80a and 80b intersect with the reciprocating direction of the output shaft 50 from the top to the bottom.
  • Each position of 60b is set.
  • the rechargeable batteries 80a and 80b attached to the battery attachment portions 60a and 60b are detached from the battery attachment portions 60a and 60b. Can be suppressed.
  • gravity does not act on the rechargeable batteries 80a and 80b mounted on the battery mounting portions 60a and 60b, and the rechargeable batteries 80a and 60b can be removed from the battery mounting portions 60a and 60b. It is possible to prevent 80b from coming off.
  • the rechargeable batteries 80a and 80b mounted on the battery mounting portions 60a and 60b are also electric motors. 22 cooling can be indirectly received. That is, the rechargeable batteries 80a and 80b mounted on the battery mounting portions 60a and 60b can also be cooled according to the cooling of the electric motor 22, and the reciprocating saw 10 can be configured to suppress heat generation during use. it can.
  • the reciprocating saw 10A according to the second embodiment has a configuration as shown in FIGS. That is, the perspective view of FIG. 11 shows the appearance of the oblique rear side of the reciprocating saw 10A of the second embodiment.
  • the perspective view of FIG. 12 shows another appearance of the reciprocating saw 10A shown in FIG.
  • the side view of FIG. 13 the reciprocating saw 10A shown in FIG. 11 is viewed from the side.
  • the reciprocating saw 10A shown in FIG. 11 is viewed from the rear side.
  • the reciprocating saw 10A shown in FIG. 11 is viewed from above.
  • the reciprocating saw 10A shown in FIG. 11 is viewed from below.
  • the reciprocating saw 10A according to the second embodiment is different from the reciprocating saw 10 according to the first embodiment described above in the following points. That is, in the reciprocating saw 10 of the first embodiment described above, the opening shape of the battery mounting portions 60a and 60b to be slid mounted is set facing upward. For this reason, the rechargeable batteries 80a and 80b are slidably mounted from the upper side to the lower side. On the other hand, in the reciprocating saw 10A according to the second embodiment shown in FIGS. 11 to 16, the opening shape for sliding mounting of the battery mounting portions 60Aa and 60Ab is set facing the front side. For this reason, the rechargeable batteries 80a and 80b are slid from the front side toward the rear side. That is, the battery mounting portions 60Aa and 60Ab of the second embodiment are arranged on the motor housing 21 so as to rotate the battery mounting portions 60a and 60b of the first embodiment 90 degrees toward the front side. It is designed to be provided.
  • the axis X3 of the direction in which the rechargeable battery 80a is slid to the first battery mounting portion 60Aa and the direction in which the rechargeable battery 80b is slid to the first battery mounting portion 60Ab. are set in directions parallel to each other. Even when the reciprocating saw 10A is configured as in the second embodiment, substantially the same operational effects can be achieved with respect to a portion configured substantially the same as the reciprocating saw 10 of the first embodiment described above.
  • the bulkiness of the left and right widths of the reciprocating saw 10A on which the rechargeable batteries 80a and 80b are mounted can be further reduced.
  • a virtual seating surface (illustrated by reference numeral 893) that can be supported by the edge portions (indicated by reference numerals 891 and 892) of both of the rechargeable batteries 80a and 80b mounted on the battery mounting portions 60Aa and 60Ab can be formed.
  • the virtual seating surface 893 can be disposed so as to receive support from the mounting surface, and the reciprocating saw 10A to which the rechargeable batteries 80a and 80b are mounted can be mounted.
  • the reciprocating saw 10B according to the third embodiment has a configuration as shown in FIGS. That is, in the perspective view of FIG. 17, the appearance of the oblique rear side of the reciprocating saw 10B of the third embodiment is shown.
  • the perspective view of FIG. 18 shows another appearance of the reciprocating saw 10B shown in FIG.
  • the reciprocating saw 10B shown in FIG. 17 is viewed from the side.
  • the reciprocating saw 10B shown in FIG. 17 is viewed from the rear side.
  • the reciprocating saw 10B shown in FIG. 17 is viewed from above.
  • the reciprocating saw 10B shown in FIG. 17 is viewed from below.
  • the rechargeable batteries 80a and 80b are slidably mounted on the battery mounting portions 60Ba and 60Bb. Is different. That is, the lower surfaces 800a and 800b of the rechargeable batteries 80a and 80b mounted on the battery mounting portions 60Aa and 60Ab of the second embodiment are inclined in the horizontal direction defined by the tool body 100B described above. It came to extend.
  • the lower surfaces 800a and 800b of the rechargeable batteries 80a and 80b attached to the battery attachment portions 60Ba and 60Bb of the third embodiment follow the left and right directions defined by the tool body 100B. It extends in the direction. That is, as shown in FIGS. 17 to 22, the lower surfaces 800a and 800b of the two rechargeable batteries 80a and 80b slidably mounted on the two battery mounting portions 60Ba and 60Bb are flush with each other. In addition, the respective positions of these two battery mounting portions 60Ba and 60Bb are set. For this reason, the lower surfaces 800a and 800b of the two rechargeable batteries 80a and 80b slidably mounted on the two battery mounting portions 60Ba and 60Bb form a common lower surface 800c that are flush with each other.
  • the common lower surface 800c (800a, 800b) of the two rechargeable batteries 80a, 80b slide-mounted in this manner is set so as to be flush with the handle end portion 33 that forms the lower end of the handle portion 13.
  • the rechargeable batteries 80a and 80b are set to be slid and mounted from the front side toward the rear side.
  • the axis X3 in the direction in which the rechargeable battery 80a is slid with respect to the first battery mounting portion 60Ba and the axis X4 in the direction in which the rechargeable battery 80b is slid with respect to the first battery mounting portion 60Bb are parallel to each other. Is set to
  • the positions of the two battery mounting portions 60Ba and 60Bb are set so that the lower surfaces 800a and 800b of the two rechargeable batteries 80a and 80b are flush with each other. . Accordingly, the lower surfaces 800a and 800b of the two rechargeable batteries 80a and 80b are flush with each other so as to form a common lower surface 800c, and the reciprocating saw 10B is placed with the common lower surface 800c facing the placement surface. be able to.
  • the common lower surface 800c (800a, 800b) of these two rechargeable batteries 80a, 80b is flush with the handle end portion 33, which forms the lower end of the handle portion 13, so the lower end of the tool main body 100B itself of the tool main body 100B.
  • the reciprocating saw 10B can be stably placed on the placement surface.
  • FIG. 14 Note that the reciprocating saws 10C and 10D of the fourth and fifth embodiments described below have rechargeable batteries 80a and 80b compared to the reciprocating saws 10 to 10B of the first to third embodiments described above. It is considered that the size of the right and left width of the reciprocating saw itself is reduced even in a state where the slide is mounted.
  • the two battery mounting portions 60C (60Ca and 60Cb) and 60D (60Da) for slidingly mounting the two rechargeable batteries 80a and 80b are used.
  • 60Db) is different from the reciprocating saws 10 to 10B of the first to third embodiments described above in that they are shifted in the front-rear direction of the tool body 100.
  • the reciprocating saw 10C according to the fourth embodiment has a configuration as shown in FIGS.
  • the perspective view of FIG. 23 shows the appearance of the oblique rear side of the reciprocating saw 10C of the fourth embodiment.
  • the reciprocating saw 10C shown in FIG. 23 is viewed from the side.
  • the reciprocating saw 10C shown in FIG. 23 is viewed from the rear side.
  • the reciprocating saw 10C shown in FIG. 23 is viewed from above.
  • the reciprocating saw 10C shown in FIG. 23 is viewed from below.
  • the first battery mounting portion 60Ca is provided in the lower connecting portion 15 of the grip housing 12.
  • the second battery mounting portion 60 ⁇ / b> Cb is provided with a lower extending portion 38 on the lower side of the motor housing 21.
  • the lower extending portion 38 is provided so as to extend below the motor housing 21.
  • the rechargeable battery 80a attached to the first battery attachment portion 60Ca is set to be disposed below the tool body 100C as compared to the rechargeable battery 80b attached to the second battery attachment portion 60Cb.
  • the axis X3 in the direction in which the rechargeable battery 80a is slid with respect to the first battery mounting portion 60Ca and the axis X4 in the direction in which the rechargeable battery 80b is slid with respect to the second battery mounting portion 60Cb are parallel to each other. Set to direction.
  • the slide mounting directions of the rechargeable batteries 80a and 80b of the first and second battery mounting portions 60Ca and 60Cb are both directed from the front side to the rear side of the tool body 100C. Therefore, as an order, if the rechargeable battery 80b is not slid to the second battery mounting portion 60Cb after the rechargeable battery 80a is slid to the first battery mounting portion 60Ca, both The rechargeable batteries 80a and 80b cannot be slid on the battery mounting portions 60Ca and 60Cb.
  • the housing 11 that forms the exterior of the tool body 100C has two battery mounting portions 60Ca and 60Cb that can mount the rechargeable batteries 80a and 80b. Therefore, when used as the reciprocating saw 10C, it is possible to meet a request for setting a high voltage or a large supply capacity.
  • the two battery mounting portions 60Ca and 60Cb are configured as a slide mounting type battery mounting portion, so the two battery mounting portions 60Ca and 60Cb are slides that are mounted by sliding. It can be made to correspond to the attachment type rechargeable batteries 80a and 80b. That is, it is possible to use a slide mounting type rechargeable battery 80 that is widely used.
  • the rechargeable battery 80 having excellent versatility while satisfying a request for setting a high voltage or a large supply capacity when used as the reciprocating saw 10C. Further, the left and right widths of the reciprocating saw 10C as a whole in that the two battery mounting portions 60Ca and 60Cb for slidingly mounting the two rechargeable batteries 80a and 80b are shifted in the front-rear direction of the tool body 100C. Can be made small, and the convenience to work in narrow places can be enhanced.
  • FIGS. The reciprocating saw 10D according to the fifth embodiment has a configuration as shown in FIGS. That is, the perspective view of FIG. 28 shows the appearance of the oblique rear side of the reciprocating saw 10D of the fifth embodiment. In the perspective view of FIG. 29, the other external appearance of the reciprocating saw 10D shown in FIG. 28 is shown. In the side view of FIG. 30, the reciprocating saw 10D shown in FIG. 28 is viewed from the side. In the plan view of FIG. 31, the reciprocating saw 10D shown in FIG. 28 is viewed from the rear side. In the plan view of FIG. 32, the reciprocating saw 10D shown in FIG. 28 is viewed from above. In the plan view of FIG. 33, the reciprocating saw 10D shown in FIG. 28 is viewed from below.
  • the reciprocating saw 10D according to the fifth embodiment is different from the reciprocating saw 10C according to the fourth embodiment described above in the place where the second battery mounting portion 60Db is provided. That is, the second battery mounting portion 60 ⁇ / b> Cb of the reciprocating saw 10 ⁇ / b> C of the fourth embodiment is provided with respect to the lower extension portion 38 on the lower side of the motor housing 21. On the other hand, the second battery mounting portion 60Db of the reciprocating saw 10D of the fifth embodiment is provided with respect to the front extending portion 39 of the grip housing 12 of the tool body 100D.
  • the second battery mounting portion 60Db is provided on the front surface portion of the front extending portion 39.
  • the second battery mounting portion 60Db is configured to slide-mount the rechargeable battery 80b from the lower side to the upper side.
  • the rechargeable battery 80b is slid and mounted on the second battery mounting portion 60Db provided in the front extending portion 39, it is disposed below the motor housing 21.
  • the first battery mounting portion 60Da is set so that the slide mounting direction is opposite to the first battery mounting portion 60Ca of the reciprocating saw 10C of the fourth embodiment described above.
  • the first battery mounting portion 60Da of the reciprocating saw 10D according to the fifth embodiment is configured to slide the rechargeable battery 80a from the rear side toward the front side.
  • the portions that are configured in substantially the same manner as in the case of configuring the reciprocating saw 10C as in the fourth embodiment are substantially the same. The effect of this can be achieved.
  • the reciprocating saw 10D is configured as in the fifth embodiment, the bulk of the front portion is reduced as compared to the case where the reciprocating saw 10C is configured as in the fourth embodiment. Therefore, it is possible to improve the convenience for working in a narrower place.
  • the reciprocating saw 10E according to the sixth embodiment is different from the reciprocating saw 10 according to the first embodiment described above only in the arrangement of the battery mounting portion 60. For this reason, in the reciprocating saw 10E of the sixth embodiment described below, only the arrangement configuration of the battery mounting portion 60 in the reciprocating saw 10 of the first embodiment described above will be described.
  • subjected in said 1st Embodiment is attached
  • the reciprocating saw 10E according to the sixth embodiment has a configuration as shown in FIGS. That is, in the perspective view of FIG. 34, the external appearance of the oblique rear side of the reciprocating saw 10E of the sixth embodiment is shown. In the perspective view of FIG. 35, the other external appearance of the reciprocating saw 10E shown in FIG. 34 is shown. In the side view of FIG. 36, the reciprocating saw 10E shown in FIG. 34 is viewed from the side. In the plan view of FIG. 37, the reciprocating saw 10E shown in FIG. 34 is viewed from the rear side. In the plan view of FIG. 38, the reciprocating saw 10E shown in FIG. 34 is viewed from above. In the plan view of FIG. 39, the reciprocating saw 10E shown in FIG. 34 is viewed from below.
  • the reciprocating saw 10E according to the sixth embodiment is different from the reciprocating saw 10 according to the first embodiment described above in the following points. That is, in the reciprocating saw 10 of the first embodiment described above, the battery mounting portions 60 a and 60 b are provided at the lower portion of the motor housing 21. On the other hand, in the reciprocating saw 10E of the sixth embodiment shown in FIGS. 34 to 39, the battery mounting portions 60Ea and 60Eb are provided in the upper portion of the tool body 100E.
  • the arrangement positions of the two battery mounting portions 60Ea and 60Eb are located at the center of gravity of the tool body 100E from which the rechargeable battery 80 (80a and 80b) is removed with the reciprocating axis X2 where the output shaft 50 reciprocates. It is set at a position opposite to the position X6.
  • the first battery mounting portion 60 ⁇ / b> Ea is provided on the upper surface of the upper connecting portion 14 of the grip housing 12.
  • the first battery mounting portion 60Ea is configured to slide-mount the rechargeable battery 80a from the rear side toward the front side.
  • the second battery mounting portion 60Eb is provided on the upper surface of the motor housing 21.
  • the second battery mounting portion 60Eb is configured to slide the rechargeable battery 80b from the front side toward the rear side.
  • the two rechargeable batteries 80a and 80b are slid and mounted on the two battery mounting portions 60Ea and 60Eb configured as described above, the two rechargeable batteries 80a and 80b are disposed on the upper surface of the tool body 100E. It will be.
  • the lower surfaces 800a and 800b of the rechargeable batteries 80a and 80b mounted on the battery mounting portions 60Ea and 60Eb extend in a direction along the left-right direction defined by the tool body 100E described above. . That is, as shown in FIGS. 34 to 39, the lower surfaces 800a and 800b of the two rechargeable batteries 80a and 80b slide-mounted on the two battery mounting portions 60Ea and 60Eb are flush with each other. In addition, the positions of the two battery mounting portions 60Ea and 60Eb are set. For this reason, the lower surfaces 800a and 800b of the two rechargeable batteries 80a and 80b slidably mounted on the two battery mounting portions 60Ea and 60Eb form a common lower surface 800c that are flush with each other.
  • the reciprocating saw 10E is configured as in the sixth embodiment, substantially the same operational effects can be achieved with respect to the portions that are configured in substantially the same manner as the reciprocating saw 10 of the first embodiment described above.
  • the position X7 of the center of gravity of the two rechargeable batteries 80a and 80b mounted on the two battery mounting portions 60Ea and 60Eb sandwiches the reciprocating axis X2 along which the output shaft 50 reciprocates.
  • the position of the center of gravity of the tool body 100E from which the rechargeable batteries 80a and 80b are removed is set to a position opposite to the position X6.
  • the position of the center of gravity of the entire reciprocating saw 10E in which the two rechargeable batteries 80a and 80b are mounted on the two battery mounting portions 60Ea and 60Eb can be brought close to the reciprocating axis X2 in which the output shaft 50 reciprocates. Therefore, the position of the center of gravity of the entire reciprocating saw 10E to which the two rechargeable batteries 80a and 80b are attached can be brought closer to the reciprocation axis X2 of the output shaft 50 which is converted by the crank mechanism 42 and reciprocates.
  • the positions of the two battery mounting portions 60Ea and 60Eb are set so that the lower surfaces 800a and 800b of the two rechargeable batteries 80a and 80b are flush with each other. . Accordingly, the lower surfaces 800a and 800b of the two rechargeable batteries 80a and 80b are flush with each other so as to form a common lower surface 800c, and the reciprocating saw 10E is placed with the common lower surface 800c facing the placement surface. be able to.
  • the reciprocating saw 10F according to the seventh embodiment is different from the reciprocating saw 10 according to the first embodiment described above only in the arrangement configuration of the battery mounting portion 60. For this reason, in the reciprocating saw 10F of the seventh embodiment described below, only the arrangement configuration of the battery mounting portion 60 in the reciprocating saw 10 of the first embodiment described above will be described.
  • subjected in said 1st Embodiment is attached
  • the reciprocating saw 10F according to the seventh embodiment has a configuration as shown in FIGS. That is, in the perspective view of FIG. 40, the appearance of the oblique rear side of the reciprocating saw 10F of the seventh embodiment is shown. 41 shows another appearance of the reciprocating saw 10F shown in FIG. In the side view of FIG. 42, the reciprocating saw 10F shown in FIG. 40 is viewed from the side. In the plan view of FIG. 43, the reciprocating saw 10F shown in FIG. 40 is viewed from the rear side. In the plan view of FIG. 44, the reciprocating saw 10F shown in FIG. 40 is viewed from above. In the plan view of FIG. 45, the reciprocating saw 10F shown in FIG. 40 is viewed from below.
  • the reciprocating saw 10F according to the seventh embodiment is different from the reciprocating saw 10 according to the first embodiment described above in the following points.
  • the battery mounting portions 60 a and 60 b are provided at the lower portion of the motor housing 21.
  • the battery mounting portions 60Fa and 60Fb are provided in the lower connecting portion 15 of the grip housing 12.
  • the opening shape of the battery mounting portions 60Fa and 60Fb to be slid mounted is set in parallel toward the front side. For this reason, the rechargeable batteries 80a and 80b are slid from the front side toward the rear side.
  • the rechargeable batteries 80a and 80b slide-mounted on the battery mounting portions 60Fa and 60Fb are arranged in parallel as illustrated. That is, like the reciprocating saw 10B of the above-described third embodiment, the lower surfaces 800a and 800b extend side by side in a direction that is in the left-right direction defined by the tool body 100F. In other words, these two battery mounting portions 60Fa, 60F, Each position of 60 Fb is set. Thus, the lower surfaces 800a and 800b of the two rechargeable batteries 80a and 80b form a common lower surface 800c that is flush with each other.
  • an interposed rubber 40 is provided between the front end portion 121 of the grip housing 12 and the rear end portion 211 of the motor housing 21, an interposed rubber 40 is provided.
  • the intervening rubber 40 is formed of a resin rubber having elastic resilience and corresponds to the elastic body according to the present invention.
  • the interposed rubber 40 is provided over the entire circumference of the front end 121 of the grip housing 12.
  • the interposed rubber 40 is provided so as to connect the front end 121 of the grip housing 12 and the rear end 211 of the motor housing 21.
  • the front end 121 of the grip housing 12 corresponds to the front side portion of the grip housing according to the present invention.
  • the rear end portion 211 of the motor housing 21 corresponds to the rear portion of the motor housing according to the present invention.
  • the grip housing 12 is provided with two battery mounting portions 60F (60Fa, 60Fb) that can mount the rechargeable batteries 80 (80a, 80b).
  • the two rechargeable batteries 80a and 80b can be mounted on each of the mounting portions 60Fa and 60Fb.
  • the interposed rubber 40 is interposed between the front end portion 121 of the grip housing 12 and the rear end portion 211 of the motor housing 21 to which the front end portion 121 of the grip housing 12 is coupled. Yes.
  • the vibration generated by the reciprocating movement of the output shaft 50 is transmitted via the interposed rubber 40 to be transmitted to the handle portion 13.
  • the interposed rubber 40 can buffer the vibration transmitted to the handle portion 13 by its own function. Therefore, it can be set as the reciprocating saw 10F which improved the usability for the user who reduced the vibration.
  • the lower surfaces 800a and 800b of the two rechargeable batteries 80a and 80b are flush with each other so as to form a common lower surface 800c. Therefore, the reciprocating saw 10F can be placed with the common lower surface 800c facing the placement surface.
  • the reciprocating saw 10H according to the eighth embodiment is different from the reciprocating saw 10F according to the seventh embodiment only in the arrangement of the battery mounting portion 60. For this reason, in the reciprocating saw 10H of the eighth embodiment described below, only the arrangement configuration of the battery mounting portion 60 in the reciprocating saw 10F of the seventh embodiment described above will be described.
  • the same components as those in the seventh embodiment are denoted by the same reference numerals as those in the seventh embodiment, and the description thereof is omitted. .
  • the reciprocating saw 10H according to the eighth embodiment has a configuration as shown in FIGS. That is, the side view of FIG. 46 shows the right side appearance of the reciprocating saw 10H of the eighth embodiment.
  • the side view of FIG. 47 shows the left side view appearance of the reciprocating saw 10H shown in FIG.
  • the right housing of the reciprocating saw 10H shown in FIG. 46 is removed.
  • the cross-sectional view of FIG. 49 shows a cross section of the central axis of the reciprocating saw 10H shown in FIG.
  • the reciprocating saw 10H shown in FIG. 46 is viewed from the rear side.
  • FIG. 51 In the cross-sectional view of FIG. 51, (XXXXI)-(XXXXI) cross-sectional arrow view in FIG. 46 is shown.
  • the reciprocating saw 10H according to the eighth embodiment differs from the reciprocating saw 10F according to the seventh embodiment in the mounting directions of the rechargeable batteries 80 in the battery mounting portion 60H.
  • Each mounting direction of the rechargeable battery 80 in the battery mounting portion 60H of the eighth embodiment is set in the width direction of the tool body 100H. That is, the mounting directions of the two rechargeable batteries 80a and 80b mounted on the two battery mounting portions 60Ha and 60Hb are directions intersecting the reciprocating direction (front-rear direction) of the output shaft 50, and the grip It is set in the width direction (left-right direction) of the tool main body 100H, which is the direction intersecting with the direction in which the housing 12 extends (up-down direction).
  • the two battery mounting portions 60Ha and 60Hb are the lower connecting portions of the grip housing 12 in the same manner as the battery mounting portion 60F of the seventh embodiment. 15 is provided. These two battery mounting portions 60Ha and 60Hb are provided across the center line extending in the front-rear direction in the tool main body 100H.
  • the reciprocating saw according to the present invention includes a reciprocating saw 10G extending in the direction orthogonal to the reciprocating direction (front-rear direction) of the output shaft 50 of the reciprocating saw 10H.
  • the output shaft 50 is set in an oblique direction in the reciprocating direction (front-rear direction) of the output shaft 50.
  • the width direction of the tool body is set in a direction along the left-right direction intersecting the front-rear direction.
  • the mounting directions of the two rechargeable batteries 80a and 80b are the same. Specifically, in other words, the opening shape of the two battery mounting portions 60Ha and 60Hb for sliding mounting is set in parallel toward the left side. Therefore, the mounting directions of the two rechargeable batteries 80a and 80b mounted on the two battery mounting portions 60Ha and 60Hb are slide-mounted from the left side to the right side as shown in FIGS. It will be.
  • the rechargeable batteries 80a and 80b slide-mounted on the battery mounting portions 60Ha and 60Hb are arranged in parallel as illustrated.
  • the lower surfaces 800a and 800b extend side by side in a direction in accordance with the front-rear direction defined by the tool body 100H. That is, the lower surfaces 800a and 800b of the two rechargeable batteries 80a and 80b that are slidably mounted on the two battery mounting portions 60Ha and 60Hb are also flush with each other in the same manner as in the seventh embodiment. As shown, the positions of the two battery mounting portions 60Ha and 60Hb are set.
  • the lower surfaces 800a and 800b of the two rechargeable batteries 80a and 80b form a common lower surface 800c that is flush with each other.
  • the front end 121H of the grip housing 12 is provided with an interposed rubber 40H between the motor housing 21 and the rear end 211H.
  • the intervening rubber 40H is also formed of a resin rubber having elastic resiliency, as in the seventh embodiment, and corresponds to the elastic body according to the present invention.
  • the intervening rubber 40H is positioned vertically within the grip housing 12 so as to fill a space provided between the front end 121H of the outer peripheral grip housing 12 and the rear end 211H of the inner motor housing 21. Is provided.
  • the front end 121H of the grip housing 12 corresponds to the front side portion of the grip housing according to the present invention.
  • the rear end portion 211H of the motor housing 21 corresponds to the rear portion of the motor housing according to the present invention.
  • a controller 20H is built in the lower connecting portion 15 located at the lower portion of the grip housing 12. The controller 20H controls the power supplied to the electric motor 22 described above. Further, an intake hole 29H is provided in the lower connecting portion 15 of the grip housing 12 near the controller 20H for intake from the outside to the inside.
  • the reference numeral 30H is an exhaust hole that exhausts air toward the outside.
  • the lower connecting portion 15 may be formed of a molded part integral with the grip housing 12 as shown in the drawing, or conversely, a molded part separate from the grip housing 12. It may be configured.
  • the reciprocating saw 10H is configured as in the eighth embodiment, substantially the same functions and effects are provided for the portions configured substantially the same as the reciprocating saws 10 and 10F of the first and seventh embodiments described above.
  • the weight of the grip housing 12 having the handle portion 13 is made relatively heavier than before. Can do. Accordingly, when the vibration from the gear housing 41 side propagates to the handle portion 13 side, the vibration of the grip housing 12 due to the propagation of the vibration can be suppressed by the weight of the grip housing 12. That is, it can be set as the reciprocating saw 10H which improved the usability for the user who reduced vibration.
  • the spring constant of the spring member can be set higher by increasing the weight of the grip housing 12. . Accordingly, the handle portion 13 and the gear housing 41 can be brought close to an integrated state, and the ease of handling (use feeling) as the reciprocating saw 10H can be enhanced.
  • the vibration generated by the reciprocating movement of the output shaft 50 is transmitted to the handle portion 13 through the interposed rubber 40H, the vibration transmitted to the handle portion 13 can be buffered by the elasticity of the interposed rubber 40. Therefore, it can be set as the reciprocating saw 10H which improved the usability for the user who reduced vibration.
  • the two rechargeable batteries 80a and 80b are mounted in the left and right direction (width direction) of the tool body 100H, the two rechargeable batteries 80a and 80b are extended in the direction in which the tool body 100H extends (front and back direction). Can be arranged in parallel.
  • this tool main body 100H is comprised so that it may extend along the front-back direction used as the reciprocating direction of the output shaft 50 so that it may show in figure.
  • the two rechargeable batteries 80a and 80b arranged in parallel can suppress the bulkiness of the reciprocating saw 10H in the left-right direction (width direction), facilitating cutting work in a narrow place, and removing the tool. The goodness of rotation can be maintained.
  • the mounting directions of the two rechargeable batteries 80a and 80b intersect with the vibration direction of the tool body 100H, the effect of preventing the two mounted rechargeable batteries 80a and 80b from being detached is enhanced. be able to.
  • the two rechargeable batteries 80a and 80b are mounted together in one direction. can do.
  • the removal directions of the two rechargeable batteries 80 are the same from the right side to the left side, the two rechargeable batteries 80a and 80b can be removed together in one direction. Therefore, it is convenient because it is easy to install or remove the two rechargeable batteries 80a and 80b.
  • the mounting directions of the two rechargeable batteries 80a and 80b may be set from the right side to the left side, which is the opposite direction to this embodiment, or in the directions facing each other. It may be set. Further, according to the reciprocating saw 10H, the two rechargeable batteries 80a and 80b mounted on the two battery mounting portions 60Ha and 60Hb are disposed so as to straddle the center line extending in the front-rear direction in the tool body 100H. Thereby, it is possible to easily balance the load of the rechargeable battery 80 attached to the battery attachment portion 60H in the left-right direction of the tool main body 100H, and it is possible to maintain good tool handling.
  • the cutting tool according to the present invention is not limited to the example of the above-described reciprocating saw. That is, as the cutting tool according to the present invention, as long as the cutting tool is a hand-held cutting tool that is held by hand, the configuration of the above-described embodiment and the like may be appropriately changed. Further, in the above-described embodiment, the configuration of the slide mounting for mounting the rechargeable battery to the two first and second battery mounting portions is not limited to the illustrated direction. These may be configured to be set in directions opposite to those shown in the drawing, or may be set in any combination of directions that are the same or opposite to each other.
  • the interposed rubber 40 is provided over the entire circumference of the front end 121 of the grip housing 12.
  • the elastic body according to the present invention is not limited to this, and at least a part between the front portion of the grip housing and the rear portion of the motor housing to which the front portion of the grip housing is connected. Anything may be used.
  • the cutting tool according to the present invention is not limited to the type of reciprocating saw 10 to 10F as in the above-described embodiment, but can be applied to a reciprocating saw 10G of the type shown in FIG.
  • symbol similar to above-mentioned embodiment is attached
  • the rechargeable batteries 80a and 80b in the above embodiment are set to a voltage of 18V.
  • the voltage of the rechargeable battery according to the present invention is not limited to this, and a rechargeable battery (secondary battery) designed with an appropriate voltage such as 10 V or 14 V can be used.
  • the electric power supplied from these two rechargeable batteries 80a and 80b may not only increase the voltage but also increase the supply capacity (all charge amounts). That is, the present invention is not limited to the configuration for increasing the voltage of the electric power supplied from the rechargeable battery 80, and may be an appropriate configuration for increasing the supply capacity of the electric power supplied from the rechargeable battery 80.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sawing (AREA)
  • Portable Power Tools In General (AREA)

Abstract

Le logement de moteur (21) d'un logement (11) constituant le couvercle extérieur d'un corps d'outil (100H) est doté de deux sections de montage de batterie (60Ha, 60Hb) sur lesquelles peuvent être montées des batteries rechargeables (80a, 80b). Les deux sections de montage de batterie (60Ha, 60Hb) sont configurées sous forme de sections de montage de batterie de type à montage coulissant. Les deux sections de montage de batterie (60Ha, 60Hb) sont adaptées pour recevoir les batteries rechargeables de type à montage coulissant (80a, 80b) montées par coulissement. Les deux batteries rechargeables (80a, 80b) sont montées dans la direction gauche-droite du corps d'outil (100H), de sorte que les deux batteries rechargeables (80a, 80b) soient en mesure d'être disposées côte à côte dans la direction dans laquelle s'étend le corps d'outil (100H).
PCT/JP2013/084842 2013-02-01 2013-12-26 Outil coupant Ceased WO2014119211A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2014559538A JP6193895B2 (ja) 2013-02-01 2013-12-26 切断工具
DE112013006575.4T DE112013006575T5 (de) 2013-02-01 2013-12-26 Schneidewerkzeug
US14/764,668 US9764399B2 (en) 2013-02-01 2013-12-26 Cutting tool
US15/700,945 US10286464B2 (en) 2013-02-01 2017-09-11 Cutting tool

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-018895 2013-02-01
JP2013018895 2013-02-01

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US14/764,668 A-371-Of-International US9764399B2 (en) 2013-02-01 2013-12-26 Cutting tool
US15/700,945 Continuation US10286464B2 (en) 2013-02-01 2017-09-11 Cutting tool

Publications (1)

Publication Number Publication Date
WO2014119211A1 true WO2014119211A1 (fr) 2014-08-07

Family

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PCT/JP2013/084842 Ceased WO2014119211A1 (fr) 2013-02-01 2013-12-26 Outil coupant

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US (2) US9764399B2 (fr)
JP (3) JP6193895B2 (fr)
DE (1) DE112013006575T5 (fr)
WO (1) WO2014119211A1 (fr)

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US10511208B2 (en) 2015-04-01 2019-12-17 Makita Corporation Reciprocating tool
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JP6453394B2 (ja) 2019-01-16
US9764399B2 (en) 2017-09-19
JPWO2014119211A1 (ja) 2017-01-26
US10286464B2 (en) 2019-05-14
JP6193895B2 (ja) 2017-09-06
DE112013006575T5 (de) 2015-11-26
JP6732863B2 (ja) 2020-07-29
US20150375315A1 (en) 2015-12-31
JP2017213907A (ja) 2017-12-07
JP2019038269A (ja) 2019-03-14
US20180021866A1 (en) 2018-01-25

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